Description
2.8 Electronic trip unit ETU
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
69
The electronic trip unit is available in two basic versions:
● Electronic trip unit of the 3-series with rotary coding switches
● Electronic trip unit of the 6-series with LC display and modularly expandable functionality
Residual current (Rc) protection function
Ground-fault protection with current measure-
ment at the star point (G
RET
)
— — — ● ●
MCR protection function - making current relea-
— — — ● ●
Monitoring of direction of power flow and power
factor determination (with metering function MF)
— — — ● ●
Setting with rotary coding switch
Setting via control buttons next to the
— — — ● ●
Data display via control buttons next to the
— — — ● ●
Metering function as option MF Basic
Metering function as option MF Advanced
Internal I/O module IOM040 with 2 inputs and
— — — ● ●
External I/O module IOM300 with 10I and 11O
— — — ● ●
Front interface for parameterization, testing,
● ● ● ● ●
Communication Modbus RTU, Modbus TCP,
PROFIBUS, or PROFINET as an option
— — — ● ●
Write protection for communication
Deactivation of communication for access from
— — — ● ●
To Next Page
Loading...
Need help?
General
